As Rowley and Berman (2000) put it, “. . . researchers have combined various mishmashes of uncorrelated variables, which render correlation and ordinary least squares regression results indiscernible.” Margolis and Walsh (2003) concurred that, even after 30 years of research, with scholars increasing the depth and breadth of their databases, differences in perspective have only cumulated, not dissipated, thereby further obscuring the big picture.